PO61 | ACTN1-related thrombocytopenia and severe hyperhomocysteinemia: a case report: A. Pozzi, G. Rosati, M. Padrini, S. Laurenti, G. Ferrari, R.M. Medici, C. Barale, I. Russo, A. Morotti | University of Turin, San Luigi Hospital, Orbassano (TO), Italy. Bleeding Thromb Vascul Biol. 2025;4(s1). doi:10.4081/btvb.2025.330